2018 RAM ProMaster 1500 Spare Tire
The RAM ProMaster 1500's spare tire is an essential part of the vehicle's safety components, designed to replace a flat or damaged tire in emergency situations. The spare tire for a RAM ProMaster 1500 is typically a full-size spare, meaning it matches the size of the vehicle's regular tires, thus providing the same level of performance and stability. Considering the size, it is generally a 225/75R16E, which should be confirmed with your specific model's manual or manufacturer information. In addition, some models might come with a compact spare tire, often referred to as a 'donut,' which is smaller, lighter, and designed for temporary usage to reach a safe location or tire repair shop.
2018 RAM ProMaster 1500 comes with 2 OEM tire size options. Select the original equipment the tire size installed on your vehicle to see all spare tires that have roughly the same tire diameter and can be used as a temporary replacement in the event of a flat tire. Remember that load carrying capacity of the spare tire must be the same or higher than the load carrying capacity of the original equipment tires in order to safely support the weight of your vehicle. Refer to vehicle owner's manual or contact RAM dealership to confirm the correct 2018 RAM ProMaster 1500 spare tire size.
225/75R16C
225/75R16C tire has a diameter of 29.3". These temporary spare tires fit the acceptable tire diameter range of 28.4" to 30.2".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/80R19from $182.97 | 30" | 2.4% |
| T155/80R19from $173.33 | 28.8" | -1.7% |
| T155/90D18from $163.99 | 29" | -1% |
| T155/90R18from $134.96 | 29" | -1% |
| T165/90R17from $119.99 | 28.7" | -2% |
| T165/90D18from $115.96 | 29.7" | 1.4% |
| T165/90D17from $109.43 | 28.7" | -2% |
| T175/90D17 | 29.4" | 0.3% |
| T175/80R18 | 29" | -1% |
| T175/80D18 | 29" | -1% |
| T165/90R18 | 29.7" | 1.4% |
| T155/80D19 | 28.8" | -1.7% |
| T145/80R20 | 29.1" | -0.7% |
| T175/90R17 | 29.4" | 0.3% |
LT225/75R16
LT225/75R16 tire has a diameter of 29.3". These temporary spare tires fit the acceptable tire diameter range of 28.4" to 30.2".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/80R19from $182.97 | 30" | 2.4% |
| T155/80R19from $173.33 | 28.8" | -1.7% |
| T155/90D18from $163.99 | 29" | -1% |
| T155/90R18from $134.96 | 29" | -1% |
| T165/90R17from $119.99 | 28.7" | -2% |
| T165/90D18from $115.96 | 29.7" | 1.4% |
| T165/90D17from $109.43 | 28.7" | -2% |
| T175/90D17 | 29.4" | 0.3% |
| T175/80R18 | 29" | -1% |
| T175/80D18 | 29" | -1% |
| T165/90R18 | 29.7" | 1.4% |
| T155/80D19 | 28.8" | -1.7% |
| T145/80R20 | 29.1" | -0.7% |
| T175/90R17 | 29.4" | 0.3% |
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- 2017 RAM ProMaster 1500 Spare Tire
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- 2014 RAM ProMaster 1500 Spare Tire
All listed guides, data and/or calculations are for informational purposes only. Spare-Tires.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for the correct spare tire size configuration.